PCT2075DP datasheet(20/37 Pages) NXP

20 / 37 page

PCT2075

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Product data sheet

Rev. 9.1 — 21 April 2017

20 of 37

NXP Semiconductors

PCT2075

I2C-bus Fm+ digital temperature sensor and thermal watchdog

there are no protection diodes from SCL or SDA to VCC, the device will not hold the

I2C lines LOW when VCC is not supplied and therefore allow continued I2C-bus

operation if the device is de-powered.

However, good layout practices and extra noise filters are recommended when the device

is used in a very noisy environment:

• Use decoupling capacitors at VCC pin.

• Keep the digital traces away from switching power supplies.

• Apply proper terminations for the long board traces.

• Add capacitors to the SCL and SDA lines to increase the low-pass filter

characteristics.

Limiting values

10. Recommended operating conditions

Table 18.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VCC

supply voltage

0.3

+6.0

input voltage

at input pins

0.3

+6.0

input current

at input pins

5.0

+5.0

IO(sink)

output sink current

on pin OS

output voltage

on pin OS

0.3

+6.0

Tstg

storage temperature

65

+150

C

junction temperature

150

C

Table 19.

Recommended operating characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCC

supply voltage

2.7

5.5

Tamb

ambient temperature

55

+125

C

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